Noritz NR662OD 140,000 BTU Tankless Water Heater - HCNAC1025-NG
Upgrade your home's hot water system with the Noritz NR662 Outdoor Residential Tankless Water Heater, meticulously designed for efficiency and cost savings. Engineered as a cost-effective replacement for traditional tank-based water heaters, this unit features a high-efficiency heat exchanger that heats water only when needed, leading to potential energy savings of nearly 50% on monthly hot water bills.
The NR662 offers versatile gas consumption from 15,000 BTU/h to 140,000 BTU/h and supports flow rates ranging from 0.5 to 6.6 gallons per minute (GPM). Its compact ANSI Z21.10.3/CSA 4.3 certified design allows for convenient outdoor wall-mount installation, ensuring flexibility in placement without the need for additional venting pieces.
Feature
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Energy Efficiency: The high-efficiency heat exchanger heats water on demand, leading to significant energy savings, potentially reducing hot water bills by up to 50%.
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Versatile Gas Consumption: Operates with a wide range of gas consumption from 15,000 BTU/h to 140,000 BTU/h, accommodating various hot water demands.
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Flow Rate Flexibility: Supports flow rates from 0.5 to 6.6 gallons per minute (GPM), ensuring a consistent hot water supply for households of different sizes.
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Compact Design: The tankless design is space-saving and allows for convenient outdoor wall-mount installation, freeing up indoor space and simplifying installation.
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On-Demand Heating: Heats water only when needed, eliminating standby energy losses associated with traditional tank-based water heaters.
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Outdoor Installation: Designed for outdoor use, which eliminates the need for additional venting pieces and simplifies installation.
Specifications
| Case |
Steel |
| Direct Electronic Ignition |
Yes |
| Finish Family |
Beige |
| Flow Rate @ 35 ºF Rise |
5.8 gpm |
| Flow Rate @ 45 ºF Rise |
5.3 gpm |
| Flow Rate @ 75 ºF Rise |
2.9 gpm |
| Flow Rate, Maximum |
6.6 gpm |
| Hard-Wired Remote |
Yes |
| Heat Exchanger Warranty |
12 Year year |
| Indoor/Outdoor |
Outdoor |
| Labor Warranty |
1 Year |
| Lightning Protection |
Yes |
| Maximum Temperature |
140 ºF |
| Min. Installation Clearance, Front |
24 Inch |
| Min. Installation Clearance, Sides |
6 Inch in |
| Min. Installation Clearance, Top |
36 Inch in |
| Minimum Activation Rate |
0.5 gpm |
| Must ship freight |
Yes |
| Parts Warranty |
5 Year Limited Parts Warranty |
| Product Depth |
6.7 in |
| Product Height |
20.5 in |
| Product Shipping Weight |
35 lb |
| Product Width |
13.13 in |
| Recirculation compatible |
Yes |
| Shipping Time |
7 to 10 days |
| Thermal Efficiency |
0.84 % |
| Unit Type (Selector) |
Standard |
| Warranty |
12 Year Limited Heat Exchange year |
| Water Connection Location |
Top |
| Water Connection Size |
3/4 Inch in |
| Water Pressure Range, Min-Max |
15-150 psig |
| Wattage |
138 W |
What Our Experts Think
The Noritz NR662OD 140,000 BTU Tankless Water Heater (HCNAC1025-NG) is a compact, energy-efficient outdoor water heating solution. Here's why it stands out:
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Efficient Performance: 140,000 BTU capacity is perfect for smaller households or low-demand applications.
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Outdoor Installation: Frees up indoor space and eliminates the need for venting systems.
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Energy-Saving Design: Tankless technology minimizes energy waste, lowering operating costs.
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Weather-Resistant Construction: Built to withstand outdoor conditions with durable, long-lasting materials.
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Natural Gas Operation: Reliable and cost-effective fuel source for consistent hot water.
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Safety Features: Includes freeze protection and safety sensors for secure operation.
Q&A
Q: What is the Noritz NR662OD (HCNAC1025-NG)?
A: The Noritz NR662OD is a compact, outdoor tankless water heater with a capacity of 140,000 BTU. It provides continuous hot water for residential use while saving energy and space.
Q: What are the key features of this water heater?
A:
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Outdoor design: Weather-resistant and saves indoor space.
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Energy-efficient: Tankless technology reduces energy consumption.
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Dependable performance: Ideal for small to medium hot water demands.
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Natural gas-powered: Cost-effective and reliable operation.
Q: Who is this product ideal for?
A: Perfect for homeowners seeking an efficient, compact solution for consistent hot water supply.
Q: Why choose the Noritz NR662OD?
A: It combines energy efficiency, durability, and a space-saving outdoor design, making it a smart choice for residential hot water needs.
Maintenance Tips
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Flush Regularly: Descale the unit every 6–12 months to prevent mineral buildup and maintain efficiency.
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Clean Water Filter: Inspect and clean the inlet water filter monthly to ensure smooth water flow.
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Inspect Ventilation: Keep the air intake and exhaust areas clear of debris for proper airflow.
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Freeze Protection: Use the built-in freeze protection or drain the unit during freezing weather if not in use.
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Check Connections: Regularly inspect gas, water, and electrical connections for leaks or damage.
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Monitor Error Codes: Address any error codes displayed promptly using the manual.
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Maintain Clearance: Ensure at least 24 inches of clearance around the unit for safe and efficient operation.
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Professional Inspection: Schedule an annual service with a certified technician for optimal performance.
